Chunk-Based Energy Efficient Resource Allocation in OFDMA Systems

1The Institute of Embedded Software and Systems, Beijing University of Technology, Beijing 100022, China2Department of Vehicle Information Systems, North Information Control Group Co., Ltd., Guangzhou 510220, China3Department of Physical, Shunde High School, Foshan 528300, China4Department of National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu 610054, China

Received 22 August 2013; Revised 2 November 2013; Accepted 6 November 2013